#2F4BB4#2F4BB4

#2F4BB4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.170 H 267.7°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BB4
RGB	rgb(47, 75, 180)
HSL	hsl(227, 59%, 45%)
HSV	hsv(227, 74%, 71%)
CMYK	cmyk(73.9%, 58.3%, 0%, 29.4%)
CIE-LAB	lab(35.85, 26.81, -58.76)
CIE-LCH	lch(35.85, 64.59, 294.52°)
OKLab	oklab(45.71% -0.0068 -0.1695)
OKLCH	oklch(45.71% 0.17 267.7)
XYZ	xyz(11.9237, 8.9305, 44.2665)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BB4 #B4982F

analogous

#2F8EB4 #2F4BB4 #552FB4

triadic

#2F4BB4 #B42F4B #4BB42F

tetradic

#2F4BB4 #B42F8E #B4982F #2FB455

square

#2F4BB4 #B42F8E #B4982F #2FB455

split-complementary

#2F4BB4 #B4552F #8EB42F

monochromatic

#162353 #223783 #2F4BB4 #4F6AD1 #8093DE

Accessibility & contrast

On white

7.54

#2F4BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#2F4BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BB4

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BB4	#FFFFFF	#000000	##FFFFFF
##2F4BB4	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4bb4;
/* rgb */ color: rgb(47, 75, 180);
/* oklch */ color: oklch(45.7% 0.170 267.7);

Tailwind

colors: {
  custom: {
    50: '#7a7ccb',
    500: '#2f4bb4',
    950: '#000000',
  },
}

SCSS

$custom: #2f4bb4;
$custom-light: #7a7ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4bb4",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 180
  },
  "hsl": {
    "h": 227.368,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.45711,
    "c": 0.16969,
    "h": 267.7
  },
  "luminance": 0.08932
}

Semantic roles & 50–950 ramp

primary

#2F4BB4

secondary

#C7B678

accent

#C146E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F4BB4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →